Finding the Fourth Proportional to 2,868.01, 3,954.22 and 1,871.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,868.01 : 3,954.22 = 1,871.71 : x
2. Step 2: Convert to fraction form
   2,868.01/3,954.22 = 1,871.71/x
3. Step 3: Cross multiply
   2,868.01x = 3,954.22 × 1,871.71
4. Step 4: Simplify right side
   2,868.01x = 7,401,138.55
5. Step 5: Solve for x
   x = 7,401,138.55/2,868.01
6. Step 6: Final answer
   x = 2,580.59